Sia isn't showing her face these days, which means she's getting some help from friends when she performs songs off her forthcoming album 1000 Forms of Fear. Last night on Late Night with Seth Meyers, the singer got some help from Lena Dunham when played "Chandelier" and the result -- Dunham in a blonde bobbed wig and all white suit lip syncing the lyrics and doing some modern dance moves while Sia lies face down in a bed -- is very avant high school performance art. [Via Vulture]

Jimmy Fallon and Jennifer Lopez compete to see who can be the #1 tight pants-wearing person in all the land. Extra bonus points for their Dorothy Hamill bowl cuts. [via Tonight Show]Best Facebook "interests page" ever? [via Afternoon Snooze Button]

ICYMI: The Seattle Symphony took a page from the Marty and Bobbi Culp (of SNL fame) playbook and did an orchestral version of Sir Mix-A-Lot's "Baby Got Back."